When constructing a confidence interval for when is known, we assume that we have a

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When constructing a confidence interval for μ when σ is known, we assume that we have a simple random sample, that σ

is known, and that either the sample size is large or the population is approximately normal. Why is it necessary for these assumptions to be met?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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